Aokana - Four Rhythms Across the Blue - EXTRA1

sprite · 2020 · $16.99 · Adventure · deal grade B

• Estimated net residual revenue: $816 to $1.2k per month
• Opportunity: $2.1k per month at x2.10 dormancy
• Estimated lifetime owners: 37.7k
• 98%% positive across 1720 reviews · 11.2 reviews/month

Why it's flagged

• Developer silent for 2.5 years
• Studio quiet across its whole catalog
• Last build shipped 5.6 years ago
• Store page localized in only 4 language(s)
• Last discounted 1 months ago, 8 sales in the last 12 months

Analyst notes (AI-assisted)

Aokana - Four Rhythms Across the Blue - EXTRA1 is a visual-novel epilogue / fan-service continuation focused on the Mashiro route from the original Aokana title.

This is a niche but stable fandom extension earning $1,020/mo in residual revenue on a $16.99 price point, with exceptional review sentiment (98% positive) and steady low-velocity sales (~8 units per year). The opportunity lies not in growth but in catalog preservation: it generates modest but reliable income for a visual-novel publisher, and any buyer inheriting the Aokana franchise should retain this title to maintain fan goodwill and complete the story ecosystem. Most realistic play: acquisition.

• Risk: Depends entirely on the installed base and active fandom of the original Aokana title; orphaned if the original falls out of discoverability or support.
• Risk: Developer studio Sprite is marked as fading (three titles only; last dev activity 30.5 months ago), so future patches, localization updates, or technical support may be unavailable.

This case as Markdown · Estimates carry ±30-50%% error per title.